The Mobility Solutions Competency is designed for partners who are providing solutions that enable customers to access information on the go - using Windows Mobile. This new Microsoft Competency is expected to launch in October 2005 and you can begin preparing today to meet the requirements to achieve the competency. More details are at https://partner.microsoft.com/global/program/competencies/mobilityprogram/
If the whole Microsoft Partner Program thing is new to you, check out http://www.microsoft.com/uk/partner/ and see the materials we already have posted to support partners selling Windows Mobile solutions at http://www.microsoft.com/uk/partner/sol_and_products/solutions/mobility/default.aspx - these include a video of two partners talking about the opportunity for Windows Mobile with Small Business Server and a great IDC paper about the same.